Area > A note includes Andaman Sea, Arabian Sea, Bay of Bengal, Great Australian Bight, Gulf of Aden, Gulf of Oman, Mozambique Channel, Persian Gulf, Red Sea, Strait of Malacca, and other tributary water bodies
Area > Comparative about 5.5 times the size of the US
Area > Comparative to US places about 5.5 times the size of the US
Area > Note includes Andaman Sea, Arabian Sea, Bay of Bengal, Flores Sea, Great Australian Bight, Gulf of Aden, Gulf of Oman, Java Sea, Mozambique Channel, Persian Gulf, Red Sea, Savu Sea, Strait of Malacca, Timor Sea, and other tributary water bodies
Area > Total	68,556,000 sq km		[3rd of 250]
Climate northeast monsoon (December to April), southwest monsoon (June to October); tropical cyclones occur during May/June and October/November in the northern Indian Ocean and January/February in the southern Indian Ocean
Coastline	66,526 km		[4th of 271]
Elevation extremes > Highest point	sea level 0 m
Elevation extremes > Lowest point	Java Trench -7,258 m
Geographic coordinates	20 00 S, 80 00 E
Geography > Note major chokepoints include Bab el Mandeb, Strait of Hormuz, Strait of Malacca, southern access to the Suez Canal, and the Lombok Strait
Location body of water between Africa, the Southern Ocean, Asia, and Australia
Map references	Other
Natural hazards occasional icebergs pose navigational hazard in southern reaches
Natural resources oil and gas fields, fish, shrimp, sand and gravel aggregates, placer deposits, polymetallic nodules
Terrain surface dominated by counterclockwise gyre (broad, circular system of currents) in the southern Indian Ocean; unique reversal of surface currents in the northern Indian Ocean; low atmospheric pressure over southwest Asia from hot, rising, summer air results in the southwest monsoon and southwest-to-northeast winds and currents, while high pressure over northern Asia from cold, falling, winter air results in the northeast monsoon and northeast-to-southwest winds and currents; ocean floor is dominated by the Mid-Indian Ocean Ridge and subdivided by the Southeast Indian Ocean Ridge, Southwest Indian Ocean Ridge, and Ninetyeast Ridge

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